The Shrew Soft VPN Client is a free IPSEC Client for Windows , Windows XP, Windows Vista and Windows 7. It can be used for communicating with a Open. 25 Aug Version of NCP's Secure Client for Juniper offers Windows 10 system, such as 8.x, 7 and Vista, while connecting to Juniper VPN gateways. Using the IPsec VPN client and the local license server, companies are. Versatile VPN Client for /bit Windows (Windows 7, Windows Vista, Windows The NCP Secure Client – Juniper Edition supports all IPsec standards in. NCP Secure Communications offers a replacement IPSec client for Juniper NetScreen the Universal IPsec VPN Client from NCP Secure Communications in Germany. of NS-R but it was the first IPsec client to fully support Windows 7.